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Update build.func 

validate IPv4 CIDR address
This commit is contained in:
tteckster 2023-05-06 04:24:18 -04:00 committed by GitHub
parent aee12a7ede
commit e72c28c324
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1 changed files with 19 additions and 10 deletions
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15
misc/build.func
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@ -247,16 +247,25 @@ advanced_settings() {
exit-script
fi
if NET=$(whiptail --inputbox "Set a Static IPv4 CIDR Address(/24)" 8 58 dhcp --title "IP ADDRESS" 3>&1 1>&2 2>&3); then
if [ -z $NET ]; then
NET="dhcp"
while true; do
NET=$(whiptail --inputbox "Set a Static IPv4 CIDR Address (/24)" 8 58 dhcp --title "IP ADDRESS" 3>&1 1>&2 2>&3)
exit_status=$?
if [ $exit_status -eq 0 ]; then
if [ "$NET" = "dhcp" ]; then
echo -e "${DGN}Using IP Address: ${BGN}$NET${CL}"
break
else
if [[ "$NET" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}/([0-9]|[1-2][0-9]|3[0-2])$ ]]; then
echo -e "${DGN}Using IP Address: ${BGN}$NET${CL}"
break
else
whiptail --msgbox "$NET is an invalid IPv4 CIDR address. Please enter a valid IPv4 CIDR address or 'dhcp'" 8 58
fi
fi
else
exit-script
fi
done
if GATE1=$(whiptail --inputbox "Set a Gateway IP (mandatory if Static IP was used)" 8 58 --title "GATEWAY IP" 3>&1 1>&2 2>&3); then
if [ -z $GATE1 ]; then